LCOV - code coverage report
Current view: top level - lib/dnssd - ResolverProxy.h (source / functions) Hit Total Coverage
Test: lcov_final.info Lines: 5 6 83.3 %
Date: 2024-02-15 08:20:41 Functions: 2 3 66.7 %

          Line data    Source code
       1             : /*
       2             :  *
       3             :  *    Copyright (c) 2021 Project CHIP Authors
       4             :  *
       5             :  *    Licensed under the Apache License, Version 2.0 (the "License");
       6             :  *    you may not use this file except in compliance with the License.
       7             :  *    You may obtain a copy of the License at
       8             :  *
       9             :  *        http://www.apache.org/licenses/LICENSE-2.0
      10             :  *
      11             :  *    Unless required by applicable law or agreed to in writing, software
      12             :  *    distributed under the License is distributed on an "AS IS" BASIS,
      13             :  *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      14             :  *    See the License for the specific language governing permissions and
      15             :  *    limitations under the License.
      16             :  */
      17             : 
      18             : #pragma once
      19             : 
      20             : #include <lib/dnssd/Resolver.h>
      21             : 
      22             : namespace chip {
      23             : namespace Dnssd {
      24             : 
      25             : /**
      26             :  * Convenience class for discovering Matter commissioners and commissionable nodes.
      27             :  *
      28             :  * The class simplifies the usage of the global DNS-SD resolver to discover Matter nodes by managing
      29             :  * the lifetime of the discovery context object.
      30             :  *
      31             :  * The proxy provides a method to register an external commissioning delegate whose
      32             :  * `OnNodeDiscovered` method is called whenever a new node is discovered. The delegate is
      33             :  * automatically unregistered when the proxy is shut down or destroyed.
      34             :  *
      35             :  * The proxy can be safely shut down or destroyed even if the last discovery operation has not
      36             :  * finished yet.
      37             :  */
      38             : class ResolverProxy
      39             : {
      40             : public:
      41           0 :     explicit ResolverProxy(Resolver * resolver = nullptr) : mResolver(resolver != nullptr ? *resolver : Resolver::Instance()) {}
      42           8 :     ~ResolverProxy() { Shutdown(); }
      43             : 
      44             :     CHIP_ERROR Init(Inet::EndPointManager<Inet::UDPEndPoint> * udpEndPoint = nullptr);
      45             :     void Shutdown();
      46             : 
      47          11 :     void SetCommissioningDelegate(CommissioningResolveDelegate * delegate)
      48             :     {
      49          11 :         if (mContext != nullptr)
      50             :         {
      51           6 :             mContext->SetCommissioningDelegate(delegate);
      52             :         }
      53          11 :     }
      54             : 
      55             :     CHIP_ERROR DiscoverCommissionableNodes(DiscoveryFilter filter = DiscoveryFilter());
      56             :     CHIP_ERROR DiscoverCommissioners(DiscoveryFilter filter = DiscoveryFilter());
      57             :     CHIP_ERROR StopDiscovery();
      58             : 
      59             : private:
      60             :     Resolver & mResolver;
      61             :     DiscoveryContext * mContext = nullptr;
      62             : };
      63             : 
      64             : } // namespace Dnssd
      65             : } // namespace chip

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